迈瑞CL-2000i试剂制冷温度超出范围

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                    <section data-tools="gulangu" data-label="powered by gulangu"></section><section data-tools="gulangu" data-id="95966"><section><section><p><img src="image/20200927/3d1cd216fcd4973910827958ec681f6c_1.gif" /></p></section></section></section><p><span></span></p><section data-tools="gulangu" data-id="94815"><section><section><section><p><img src="image/20200927/c36b10067568211b680cc17f382318ae_2.gif" /></p></section><section data-brushtype="text">故障现象描述</section><section><p><img src="image/20200927/67a9c66f66793aaa724527f90077ef35_3.gif" /></p></section></section></section></section><p><span></span></p><p><br  /></p><p><span>去客户端维护仪器时，发现仪器从9月26号至今每天都报警，试剂制冷温度超出范围。</span></p><p><span><br  /></span></p><p><span></span></p><section data-tools="gulangu" data-id="87948"><section data-width="100%"><p><p><img src="image/20200927/3747f0ff3ee1f738bacb752be4a6368a_4.png" /></p></p></section><br  /></section><p><span></span></p><p><span></span></p><section data-tools="gulangu" data-id="94815"><section><section><section><p><img src="image/20200927/c36b10067568211b680cc17f382318ae_2.gif" /></p></section><section data-brushtype="text">故障机理</section><section><p><img src="image/20200927/67a9c66f66793aaa724527f90077ef35_3.gif" /></p></section></section></section></section><p><span></span></p><p><span>因某种原因传感器检测到温度超过规定范围。</span></p><p><span><br  /></span></p><p><span></span></p><section data-tools="gulangu" data-id="94815"><section><section><section><p><img src="image/20200927/c36b10067568211b680cc17f382318ae_2.gif" /></p></section><section data-brushtype="text">故障分析与排除</section><section><p><img src="image/20200927/67a9c66f66793aaa724527f90077ef35_3.gif" /></p></section></section></section></section><p><span></span></p><p><span><strong><br  /></strong></span></p><section><span>1、环境温度超出范围，查看软件显示仪器内部环境温度显示正常，且科室开了空调，仪器后背又加了台风扇，可能性不大。</span></section><section><span><br  /></span></section><section data-tools="gulangu" data-id="87948"><section data-width="100%"><p><p><img src="image/20200927/9ff3fd6719de613b8d82f3647b6d502b_9.png" /></p></p></section><br  /></section><p><span></span></p><p><span>2、温度一直会变化，说明温度传感器及线材没问题</span></p><p><span>3、偏高一点点所以不可能温度保护开关或线材故障</span></p><p><span>4、制冷片或线材故障</span></p><p><span>5、风扇或线材故障</span></p><p><span>6、板卡故障、参数丢失、电磁干扰</span></p><p><span></span></p><section data-tools="gulangu" data-id="94815"><section><section><section><p><img src="image/20200927/c36b10067568211b680cc17f382318ae_2.gif" /></p></section><section data-brushtype="text">故障处理</section><section><p><img src="image/20200927/67a9c66f66793aaa724527f90077ef35_3.gif" /></p></section></section></section></section><p><span></span></p><p><span>1、根据分析及现象很可能是制冷片问题，遂进行验证，把模块拆下来先清下风扇灰尘（拆10颗内六角即可，线束接头需要拆缓冲瓶处面板），并观察下线材，没发现问题，后把制冷模块4根对应线接头在确认可以不对应接的情况下逆着顺序接，发现软件上本来4号异常变成1号异常，说明4号制冷片故障。</span></p><p><span><br  /></span></p><p><span></span></p><section data-tools="gulangu" data-id="87948"><section data-width="100%"><p><p><img src="image/20200927/edb5d24d38f9cf942dfedf08c6083a7e_12.png" /></p></p></section><br  /></section><p><br  /></p><p><span>2、进行制冷模块申请并更换后软件温度显示正常。</span></p><p><span><br  /></span></p><p><span></span></p><section data-tools="gulangu" data-id="87948"><section data-width="100%"><p><p><img src="image/20200927/db53567f551c3b1534eeca4234c0de0d_13.png" /></p></p></section></section><section data-tools="gulangu" data-id="94815"><section><section><section><p><img src="image/20200927/c36b10067568211b680cc17f382318ae_2.gif" /></p></section><section data-brushtype="text">总结分析</section><section><p><img src="image/20200927/67a9c66f66793aaa724527f90077ef35_3.gif" /></p></section></section></section></section><p><span></span></p><p><span>此故障很大可能是制冷片问题，不过需要验证下，因为制冷模块端4根线是对应制冷片的，而仪器端的4根线是跟软件显示对应的，怕乱，所以逆着接，如果软件还是显示4号制冷片故障，疑仪器端线路问题，如果软件显示1号制冷片故障，就是制冷模块4号制冷板或线材故障，不过前提需要确认能否不对应接。</span></p><p><br  /></p>